短语词组短语firm counter -offer 还实盘non firm -offer 虚盘A firm offer and counter -offer 卖方报实盘及还盘non -firm m offer 虚盘on -firm offer 虚盘firmnon -firm offer 实虚盘A non -firm offer 虚盘counter -offer firm 还实盘;翻译 返回 firm offer